... magnetite concentrate 磁铁精矿 magnetite sand 铁砂,磁铁矿砂... magnetite aggregate 磁铁矿骨料 ...
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These examples illustrated the economic benefit of the recovery of magnetite, garnet, rutile, gregorite, zircon and building sand that were mined in the placer gold mine.
文中例举的事实表明砂金矿山回收磁铁矿、石榴石、金红石、钛铁矿、锆石及建筑砂石所收到的经济效益。
The filler material media includes:quartz sand, anthracite, magnetite, manganese sand, diatomite, etc.
滤料介质包括：石英砂、无烟煤、磁铁矿、锰砂、硅藻土、等。
We can make superior absorption materials by using iron-sand (magnetite ore) tailings.
用铁砂(磁铁矿)尾矿为原料可制备性能优良的吸收材料。
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